Which solution do you recommend me for my setup?

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Which solution do you recommend me for my setup?

Postby DipterePow » Thu Mar 26 2020 12:14

Hi everyone!
I need your help: I'm thinking about my amp.
I'm building my speakers. These: https://www.visaton.de/en/products/2-way-speakers/alto-ii
My dac is an Allo Boss and I have an oooooooold Marantz amp. This one: https://insidehifi.blogspot.com/2013/10/marantz-pm-43-74pm4302b.html

1-Do you think it's more preferable I build (yes I want to build it) a new amp, or can I just build a pre-amp? This amp works very well so if it’s possible I'd like to keep using it.
2-Which amp or pre-amp do you recommend me?

Constraints imposed:
*I'm not scared about soldering but I am not very reassured at the idea of starting from a simple assembly plan and having to find all the parts by myself. I would prefer a kit. I have nothing to make a PCB so...
**About price range: The best value for less than 100€ (by not taking into account the housing, cables... Just the AMP/Pre-AMP and its PSU).
***I don't want to add a card directly on my boss player. It will be in a separate case with its own PSU.
****(EDIT): I adjust the volume via Volumio. The volume of the amp remains fixed (more or less).

Many thanks for your help! :)
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Mickaël
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Which solution do you recommend me for my setup?

Postby Josh2000 » Thu Mar 26 2020 13:08

Hi DipterePow,

There will be thousands of different opinions - but i would leave the Marantz as it is and connect it to the DAC.
Nothing more required.

BR
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Which solution do you recommend me for my setup?

Postby DipterePow » Thu Mar 26 2020 21:29

Hi Josef!
Thanks for your reply!

Are you sure? Each speakers need 60W and the amp gives 2x30W... I don’t know anything about it, that’s why I ask the question.

P.S: The power supply that you recommended for my player works perfectly. Thank you very much!
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Which solution do you recommend me for my setup?

Postby pwstereo » Thu Mar 26 2020 22:23

Typical domestic listening is done at quite low power levels, 1 watt or so.
There is no sensitivity figure given for the complete loudspeaker you are constructing, but the tweeter has a sensitivity of 90 db @1 W @1 M, that isn't particularly high.
It looks like the impedance of those speakers is 4 ohms, your amp is rated:
30 watts x 2 at 8 ohms [ 40 to 20KHz THD 0.005% ]
40W at 4 ohms
Dynamic power: 50W / 80W at 8 / 4ohms

I'd be trying your new speakers on your existing amp before spending more money.
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Which solution do you recommend me for my setup?

Postby DipterePow » Mon Mar 30 2020 21:50

I had to make some researches to understand what you said :D :lol:
Ok thanks a lot for your replys. I'll try like that!
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